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nika2105 [10]
3 years ago
12

Solve this quadratic equation using the quadratic formula. (3 - y)(y + 4) = 3y - 5

Mathematics
1 answer:
Alchen [17]3 years ago
7 0
Y= -2 - (the square root of) 21 and Y= -2+ (the square root of) 21
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The neighborhood swimming pool is 14 feet long, 11 feet wide, and 3 feet deep. Which formula below should be used to find how mu
My name is Ann [436]

Answer:

  D.  14 feet × 11 feet × 3 feet

Step-by-step explanation:

The volume of a rectangular prism is the product of its dimensions:

  V = LWH

  V = (14 ft)(11 ft)(3 ft) . . . . . matches choice D

4 0
2 years ago
What is the value of the function when x = 1?
sattari [20]
Just look at the x axis (horizontal) and see where x=1 or go 1 unit from the origin (0,0), then go up untill you hit a point that coresponds witha y value which looks to be 2 so coresponding y for x=1 is y=2

if we are given point (1,2) then
(x,y)
x=1
y=2
that is the solution already
6 0
3 years ago
5 times a number is 110 less than 7 times that number
Nitella [24]

Answer:

55

Step-by-step explanation:

let the number=x

5x=7x-110

7x-5x=110

2x=110

x=110/2=55

3 0
3 years ago
Find x.<br> X=<br> 400<br> 8<br> Round to two decimals at each step of the problem.
svlad2 [7]

Answer:

6.71

Step-by-step explanation:

→ Find a triangle to use

Tan = Opposite ÷ Adjacent

→ Rearrange to make opposite the subject

Opposite = Tan × Adjacent

→ Substitute in the values

Opposite = Tan (40) × 8

→ Simplify

Opposite = 6.71

4 0
3 years ago
The diagram below represents which percent?
Natasha_Volkova [10]

Answer:

80%

Step-by-step explanation:

Cause four divided by five equals .8 so then multiply it by ten and u get 80%

3 0
3 years ago
Read 2 more answers
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